How to Have a Fun Workout with Balloons?

Do helium balloons or air-filled balloons last longer?

Air-filled balloons last longer than helium balloons. The average lifespan of a helium balloon is eight to twelve hours (the larger the balloon, the longer it lasts). A special treatment called HI-...
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Do weather balloons have lights on them?

Weather balloons occasionally use small white lights when launching. These are similar to a flashlight, and are hard to see with the naked eye unless being tracked. Some balloons may also use a fla...
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